diff --git a/src/helpers.ts b/src/helpers.ts
index 9706994..b523732 100644
--- a/src/helpers.ts
+++ b/src/helpers.ts
@@ -35,13 +35,13 @@ export function truncate(
 
 export function getRandomId() {
     const arr = new Uint32Array(1)
-    global.crypto.getRandomValues(arr)
+    crypto.getRandomValues(arr)
     return arr[0].toString(36)
 }
 
 export function getRandomNumber(min: number, max: number) {
     const arr = new Uint32Array(1)
-    global.crypto.getRandomValues(arr)
+    crypto.getRandomValues(arr)
     const random = arr[0]
     const range = max - min
     return Math.floor((random / (0xffffffff + 1)) * range + min)
diff --git a/src/hooks.ts b/src/hooks.ts
index 83b52e7..338e929 100644
--- a/src/hooks.ts
+++ b/src/hooks.ts
@@ -24,18 +24,18 @@ export function usePointerPosition() {
     }
 
     useAnimationFrame(() => {
-        if (!global.window) return
+        if (!window) return
 
-        global.window.addEventListener('pointerenter', updatePosition, false)
-        global.window.addEventListener('pointermove', updatePosition, false)
+        window.addEventListener('pointerenter', updatePosition, false)
+        window.addEventListener('pointermove', updatePosition, false)
 
         return () => {
-            global.window.removeEventListener(
+            window.removeEventListener(
                 'pointermove',
                 updatePosition,
                 false,
             )
-            global.window.removeEventListener(
+            window.removeEventListener(
                 'pointerenter',
                 updatePosition,
                 false,
diff --git a/src/utils.ts b/src/utils.ts
index 1b3100a..33f7b83 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,3 +1,2 @@
 export const isTouchDevice =
-    global.window &&
-    ('ontouchstart' in global.window || navigator.maxTouchPoints > 0)
+    window && ('ontouchstart' in window || navigator.maxTouchPoints > 0)